actuate (v.) Look up actuate at Dictionary.com
1590s, "perform" (a sense now obsolete), from Medieval Latin actuatus, past participle of actuare "perform, put into action," from Latin actus "a doing" (from PIE root *ag- "to drive, draw out or forth, move"). Sense of "put into action, inspire with activity" is from 1640s. Related: Actuated; actuating.